Mineral Resources 4.3

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Vocabulary:

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gemstone: a hard, colorful mineral that has a brilliant or glassy luster.
ore: a rock that contains a metal or economically useful mineral.
alloy: a solid mixture of two or more metals.

Outline:

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• Mineral Resources
  • copper shaped into ornaments / weapons
• The uses of minerals
  • minerals source of metals, gemstones etc.
  • Gemstones
    • gemstones
  • Metals
    • minerals sources of metals- aluminum, iron, copper, silver
  • other useful minerals
    • minerals used- medicine, food, fertilizers
    • flourite- aluminum, steel
    • calcite- microscopes
• Ores
  • ores
• Prospecting
  • prospector- searches for ore deposits
• Mining
  • 3 types of mines- strip mines, open pit mines, shaft mines
• Smelting
  • smelting- to remove metal from ore

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